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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C; c-basic-offset: 4; intent-tabs-mode: nil -*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * This file is part of the public interface to the Sifteo SDK.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright &lt;c&gt; 2012 Sifteo, Inc. All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#ifdef NOT_USERSPACE</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#   error This is a userspace-only header, not allowed by the current build.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;sifteo/menu/types.h&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="keyword">namespace </span>Sifteo {</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="group__menu.html#ga270d8dbd22b3ba2837d24d8e94d14ae6">   21</a></span>&#160;<span class="keyword">inline</span> Menu::Menu(<a class="code" href="struct_sifteo_1_1_video_buffer.html" title="A memory buffer which holds graphics data.">VideoBuffer</a> &amp;vid, <span class="keyword">const</span> MenuAssets *aAssets, MenuItem *aItems)</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;{</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    init(vid, aAssets, aItems);</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;}</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="group__menu.html#ga858f262cdfcb2248384c21843e739e08">   26</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::init(<a class="code" href="struct_sifteo_1_1_video_buffer.html" title="A memory buffer which holds graphics data.">VideoBuffer</a> &amp;vid, <span class="keyword">const</span> MenuAssets *aAssets, MenuItem *aItems)</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;{</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    this-&gt;vid = &amp;vid;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    hasBeenStarted = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    currentEvent.type = MENU_UNEVENTFUL;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    items = aItems;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    assets = aAssets;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    changeState(MENU_STATE_START);</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="comment">// initialize instance constants</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    kHeaderHeight = 0;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    kFooterHeight = 0;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    kIconTileWidth = 0;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="comment">// calculate the number of items</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    uint8_t i = 0;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keywordflow">while</span> (items[i].icon != <a class="code" href="group__macros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordflow">if</span> (kIconTileWidth == 0) {</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            kIconTileWidth = items[i].icon-&gt;tileWidth();</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;            kIconTileHeight = items[i].icon-&gt;tileHeight();</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            kEndCapPadding = (kNumVisibleTilesX - kIconTileWidth) * (TILE / 2.f);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>((kItemPixelWidth() - kIconPixelWidth()) % TILE == 0);</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(items[i].icon-&gt;tileWidth() == kIconTileWidth);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(items[i].icon-&gt;tileHeight() == kIconTileHeight);</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        }</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        i++;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordflow">if</span> (items[i].label != <a class="code" href="group__macros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(items[i].label-&gt;tileWidth() == kNumVisibleTilesX);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keywordflow">if</span> (kHeaderHeight == 0) {</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                kHeaderHeight = items[i].label-&gt;tileHeight();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;                <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(items[i].label-&gt;tileHeight() == kHeaderHeight);</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            }</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            <span class="comment">/* XXX: if there are any labels, a header is required for now.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">             * supporting labels and no header would require toggling bg0</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">             * tiles fairly often and that&#39;s state I don&#39;t want to deal with</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">             * for the time being.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">             * workaround: header can be an appropriately-sized, entirely</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">             * transparent PNG.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">             */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;header != <a class="code" href="group__macros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        }</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    numItems = i;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="comment">// calculate the number of tips</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    i = 0;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keywordflow">while</span> (assets-&gt;tips[i] != <a class="code" href="group__macros.html#ga070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;tips[i]-&gt;tileWidth() == kNumVisibleTilesX);</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordflow">if</span> (kFooterHeight == 0) {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            kFooterHeight = assets-&gt;tips[i]-&gt;tileHeight();</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;tips[i]-&gt;tileHeight() == kFooterHeight);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        }</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        i++;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    numTips = i;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="comment">// sanity check the rest of the assets</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;background);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;background-&gt;tileWidth() == 1 &amp;&amp; assets-&gt;background-&gt;tileHeight() == 1);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keywordflow">if</span> (assets-&gt;footer) {</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;footer-&gt;tileWidth() == kNumVisibleTilesX);</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keywordflow">if</span> (kFooterHeight == 0) {</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            kFooterHeight = assets-&gt;footer-&gt;tileHeight();</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;footer-&gt;tileHeight() == kFooterHeight);</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        }</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    }</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordflow">if</span> (assets-&gt;header) {</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;header-&gt;tileWidth() == kNumVisibleTilesX);</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keywordflow">if</span> (kHeaderHeight == 0) {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            kHeaderHeight = assets-&gt;header-&gt;tileHeight();</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(assets-&gt;header-&gt;tileHeight() == kHeaderHeight);</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        }</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    prev_ut = 0;</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    startingItem = 0;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    position = 0.0f;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    setIconYOffset(kDefaultIconYOffset);</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    setPeekTiles(kDefaultPeekTiles);</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;}</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="keyword">inline</span> <a class="code" href="struct_sifteo_1_1_video_buffer.html" title="A memory buffer which holds graphics data.">VideoBuffer</a> * Menu::videoBuffer()<span class="keyword"> const</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">return</span> vid;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;}</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="keyword">inline</span> CubeID Menu::cube()<span class="keyword"> const</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keywordflow">return</span> vid ? vid-&gt;<a class="code" href="struct_sifteo_1_1_video_buffer.html#a77de0feaf960c89abe469a351c0c130f" title="Get the CubeID that this buffer is currently attached to.">cube</a>() : CubeID();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;}</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> Menu::pollEvent(<span class="keyword">struct</span> MenuEvent *ev)</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;{</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="comment">// Events not handled at this point are discarded</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(currentEvent.type != MENU_PREPAINT);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    clearEvent();</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="comment">/* state changes can happen in the default event handler which may dispatch</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment">     * events (like MENU_STATE_STATIC -&gt; MENU_STATE_FINISH dispatches a</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="comment">     * MENU_PREPAINT).</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordflow">if</span> (dispatchEvent(ev)) {</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        <span class="keywordflow">return</span> (ev-&gt;type != MENU_EXIT);</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    }</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="comment">// keep track of time so if our framerate changes, apparent speed persists</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    frameclock.next();</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="comment">// neighbor changes?</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keywordflow">if</span> (currentState != MENU_STATE_START) {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        detectNeighbors();</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    }</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordflow">if</span> (dispatchEvent(ev)) {</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">return</span> (ev-&gt;type != MENU_EXIT);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    }</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="comment">// update commonly-used data</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">float</span> kAccelScalingFactor = -0.25f;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    accel = kAccelScalingFactor * vid-&gt;virtualAccel().xy();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="comment">// state changes</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keywordflow">switch</span> (currentState) {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_START:</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            transFromStart();</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_STATIC:</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            transFromStatic();</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_TILTING:</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            transFromTilting();</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_INERTIA:</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            transFromInertia();</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_FINISH:</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            transFromFinish();</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_HOP_UP:</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            transFromHopUp();</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    }</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">if</span> (dispatchEvent(ev)) {</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keywordflow">return</span> (ev-&gt;type != MENU_EXIT);</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    }</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    <span class="comment">// run loop</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">switch</span> (currentState) {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_START:</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            stateStart();</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_STATIC:</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            stateStatic();</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_TILTING:</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            stateTilting();</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_INERTIA:</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            stateInertia();</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_FINISH:</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            stateFinish();</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        <span class="keywordflow">case</span> MENU_STATE_HOP_UP:</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            stateHopUp();</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    }</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    <span class="keywordflow">if</span> (dispatchEvent(ev)) {</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        <span class="keywordflow">return</span> (ev-&gt;type != MENU_EXIT);</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    }</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="comment">// no special events, paint a frame.</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    drawFooter();</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    currentEvent.type = MENU_PREPAINT;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    dispatchEvent(ev);</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;}</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::reset()</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;{</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    changeState(MENU_STATE_START);</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;}</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::replaceIcon(uint8_t item, <span class="keyword">const</span> AssetImage *icon, <span class="keyword">const</span> AssetImage *label)</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;{</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(item &lt; numItems);</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    items[item].icon = icon;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = prev_ut; i &lt; prev_ut + kNumTilesX; i++)</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keywordflow">if</span> (itemVisibleAtCol(item, i))</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            drawColumn(i);</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="keywordflow">if</span> (label) {</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        uint8_t currentItem = computeSelected();</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        items[item].label = label;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        </div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="keywordflow">if</span> (kHeaderHeight &amp;&amp; currentState == MENU_STATE_STATIC &amp;&amp;</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;            currentItem == item)</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        {</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;            <span class="keyword">const</span> AssetImage&amp; label = items[currentItem].label</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                                    ? *items[currentItem].label</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                                    : *assets-&gt;header;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;            vid-&gt;bg1.image(<a class="code" href="group__math.html#gab18c9af04a4a3a4a3c63656e40ab74ed" title="Create a Vector2, from a set of (x,y) coordinates.">vec</a>(0,0), label);</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        }</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    }</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;}</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> Menu::itemVisible(uint8_t item)</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;{</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(item &gt;= 0 &amp;&amp; item &lt; numItems);</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code" href="group__macros.html#gafa99ec4acc4ecb2dc3c2d05da15d0e3f">MAX</a>(0, prev_ut); i &lt; prev_ut + kNumTilesX; i++) {</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        <span class="keywordflow">if</span> (itemVisibleAtCol(item, i)) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    }</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;}</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::setIconYOffset(uint8_t px)</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;{</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(px &gt;= 0 || px &lt; kNumTilesX * 8);</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    kIconYOffset = -px;</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <span class="keywordflow">if</span> (hasBeenStarted)</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        updateBG0();</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;}</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::setPeekTiles(uint8_t numTiles)</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;{</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(numTiles &gt;= 1 || numTiles * 2 &lt; kNumTilesX);</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    kPeekTiles = numTiles;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    <span class="keywordflow">if</span> (hasBeenStarted)</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        updateBG0();</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;}</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div>
<div class="line"><a name="l00276"></a><span class="lineno"><a class="code" href="group__menu.html#ga03376d307880ce616ddc8973de85531b">  276</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> Menu::anchor(uint8_t item, <span class="keywordtype">bool</span> hopUp)</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;{</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    <a class="code" href="group__macros.html#ga8a15779356736a0900a162442b1cda53" title="Runtime debug assertion.">ASSERT</a>(item &lt; numItems);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    startingItem = item;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    </div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordflow">if</span> (hopUp) {</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        position = stoppingPositionFor(startingItem);</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        prev_ut = computeCurrentTile() + kNumTilesX;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        updateBG0();</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        changeState(MENU_STATE_HOP_UP);</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    }</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;}</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="keyword">inline</span> <a class="code" href="group__menu.html#gaffdf02169ff58e37ee8d7620ada52d58">MenuState</a> Menu::getState()</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;{</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <span class="keywordflow">return</span> currentState;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;}</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;};  <span class="comment">// namespace Sifteo</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div>
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